6 to 10

10 to 15

15 to 25

25 to 40

air only

petrol only

a mixture of petrol and air

none of these

requires smaller foundation

is lighter

consumes less lubricating oil

all of these

Fuel pump

Fuel injector

Governor

Carburettor

A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure.

The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug.

The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition.

all of the above